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AUIR2085S
Absolute Maximum Ratings
Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All
voltage parameters are absolute voltages referenced to COM. The thermal resistance and power
dissipatio n ratings are measured under board mounted and still air conditions.
Symbol
V B
V CC
V S
V HO
V LO
OSC
V CS
dVs/dt
I CC
P D
Rth JA
T J
T S
T L
Definition
High side floating supply voltage
Low side supply voltage
High side floating supply offset voltage
High side floating output voltage
Low side output voltage
OSC pin voltage
C S pin voltage
Allowable offset voltage slew rate
Supply current
Package power dissipation @ TA ≤ 25°C
Thermal resistance, junction to ambient
Junction temperature
Storage temperature
Lead temperature (soldering, 10 seconds)
Min.
-0.3
—
V B - 25
V B - 0.3
-0.3
-0.3
-0.3
—
—
—
—
—
-55
—
Max.
150
25
V B + 0.3
V B + 0.3
V CC + 0.3
V CC + 0.3
V CC + 0.3
50
20
0.625
200
150
150
300
Units
V
V/ns
mA
W
°C/W
°C
Recommended Operating Conditions
For prope r operation the device should be used within the recommended conditions.
Symbol
Definition
Min.
Max.
Units
V B
High side floating supply voltage V S + 10 V S + 15
V S
Steady state high side floating supply offset voltage
-5 (?)
100
V
V CC
I CC
R T
C T
f osc
T A
Supply voltage 10 15
Supply current — 5 mA
Timing resistor 10 100 k ?
Timing capacitor 47 470 pF
Operating frequency (per channel) — 500 kHz
Ambient temperature -40 125 °C
? Care should be taken to avoid output switching conditions where the V S node flies inductively below
ground by more than 5V.
www.irf.com
5
? 2008 International Rectifier
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